Feature 【Compatibility List】 The J-300 Series Oval Pillow Insert + Back Mount Fits for most J-300 series hot tubs(2014-2018), including J-310 J-315 J-320 J-325 J-330 J-335 J-340 J-345 J-350 J-355 J-360 J-365 J-370 J-375 J-380 J-385. 【Comfortable Design】 The 2472-824 pillow features a oval shape and bump texture. Increase friction to cradle head and neck in place. Provide massaging effect, adding to the overall relaxation and comfort of spa experience. 【Aesthetic Appeal】 .
eBay